[Stoves] Role of secondary air on wood burning and charcoal stoves

[Joshua Guinto]

Yes, i have a digital thermometer to go that high. Although i still have to
familiarize with the instrument. I will find help here with this
instruments.

Will wait for your remarks.

thanks Crispin


2013/8/24 Crispin Pemberton-Pigott <crispinpigott at gmail.com>

> Dear Jed****
>
> ** **
>
> I am preparing an answer for you about your holey roket stove but I am
> just finishing a protocol document. Please bear with me. I will give you
> some ideas about what you can do without instruments. Do you have a
> thermometer/thermocouple that will go to 999°C?****
>
> ** **
>
> Thanks
> Crispin****
>
> ** **
>
> *Sent:* Thursday, August 22, 2013 4:33 PM
>
> Dear Sarbagya, Crispin and Ron****
>
> ** **
>
> Jed here from the Philippines. ****
>
> ** **
>
> Could you please take a look at my attempt..... the holey roket as a char
> making stove.  I thought i designed the holes to make a flow of secondary
> air in the roket stove. There are eight holes by the elbow, a little above
> the height of the fuel feeder. One hole is directly poking opposite the
> fuel feeder to reduce the stress of the high intensity flame on the stove
> wall (as Crispin advised me before)I made the holes to follow a co centric
> circle to make the secondary air twist. The stove wall is 3 cm thick and so
> the incoming air  would go about 6 cm through.  I thought this would add to
> the pre heating of the incoming air, to compensate for the absence of a
> double wall. And then to make the flame twist in the same manner as the
> fins of those from the designs of the recho roket would. ****
>
> ** **
>
> And so i observed that the flame twists and very clean, yellow with blue
> streaks shooting off from the holes. Please see  the attached pdf file. **
> **
>
> ** **
>
> Is this already the pre heated secondary air at work? ****
>
> ** **
>
> My limitation is that i do not have instruments to verify all these
> observations. Perhaps your opinion could help for the meantime. ****
>
> ** **
>
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